2008 Shelby Mustang GTFuel Economy & MPG Ratings

Gasoline Two SeatersRear-Wheel Drive
2008 Shelby Mustang GT

Photo: Bull-Doser. Public domain. via Wikimedia Commons

City
15
MPG
Highway
22
MPG
Combined
17
MPG

Real-World MPG

Based on 1 owner report via EPA fueleconomy.gov

20.2MPG average+18.8% vs EPA label
EPA combined: 17 MPG · Owner reported avg: 20.2 MPG

Driving mix: City 70% / Highway 30%

Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.

Owner reported MPG for this vehicle averages 20.2 real world MPG based on 1 owner report. EPA combined rating is 17 MPG.

Trim Comparison

Manual 5-spd
Premium
City
15
Hwy
22
Comb
17
Fuel cost: $4,800/yr
Annual Fuel Cost
$4,800

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$-12,000

vs. average new vehicle

EPA Fuel Economy Score: -1/10
GHG Score: -1/10

Environment

CO₂ Tailpipe Emissions
523 g/mile
Annual Petroleum Consumption
17.5 barrels

Specifications

Engine
4.6L 8-cyl
Transmission
5-speed Manual
Drivetrain
RWD
Body Style
Sedan
GVWR
Class 1 (≤6,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
4.6L, 8-cylinder
Fuel Type
Premium Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$3,962/yr
California
$5.957/gal$5,256/yr
Texas
$3.888/gal$3,431/yr
Florida
$4.136/gal$3,649/yr
New York
$4.522/gal$3,990/yr
Ohio
$4.510/gal$3,979/yr
Washington
$5.591/gal$4,933/yr
Colorado
$4.618/gal$4,075/yr
Minnesota
$4.344/gal$3,833/yr
Massachusetts
$4.448/gal$3,925/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 17 MPG combined. Regular gasoline prices. Actual costs vary.

Related

Shelby Mustang GT MPG History
See how this model's fuel economy changed by year

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